Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

The Sudan virus, a close relative of Ebola, has a fatality rate of 50% but remains poorly understood in terms of how it infects cells. Currently, no approved treatments exist. To address this critical ...

The Nature of Viruses Viruses are microscopic entities that require a host's cellular machinery to replicate. Unlike bacteria ...

Biological scientists have uncovered how the dengue virus uses its envelope protein to capture human plasmin from a blood meal to enhance the permeability of the mosquito midgut for infection.